Classification
140 - Specific philosophical schools
320 - Political science
340 - Law
363 - Other social problems & services
610 - Medicine & health
000 - Computer science, information & general works
1
300 - Social sciences
1
333 - Economics of land & energy
1
380 - Commerce, communications & transportation
1
600 - Technology
1
700 - The arts; fine & decorative arts
1